$ARQQ
Arqit Quantum Inc. Ordinary Shares
XNAS•Technology•Services-Prepackaged Software
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Plans & pricingDonateArqit Quantum Inc. Ordinary Shares
XNAS•Technology•Services-Prepackaged Software
Why is ARQQ up today? It is at $19.75 (+1.17%), and our scanner flagged it 84 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment ARQQ spikes, and full due diligence on ARQQ — key stats, earnings, dilution and insider activity. Free.
Our scanner flagged $ARQQ 84 times in the last 30 days. Create a free account to track $ARQQ, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.
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Here is the latest on ARQQ from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for ARQQ today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Likely catalystForeign issuer report (6-K), from an SEC filing. Read it →Latest filingSC 13G/APassive 5%+ stake updatedSep 10, 2026 · 10 days agoAcross every filing on file, supply equal to at least 1052.8% of the tradeable float is in play - 1052.8% has already been sold.
Some filings did not state a size, so these are floors.
One filing exceeds the whole float, which usually means our share count is stale. Check the filing directly.
Recent share offering + active shelf on file — the company raised capital and can raise more
53,388,396 new shares
Sources: float & market cap via Polygon · short interest via FINRA · borrow & shortability via Alpaca · SSR from Reg SHO 201 · filings & dilution via SEC EDGAR · analysts via Nasdaq.
Auto-generated from public data for research and education. Not investment advice.
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Ritchie Garth Director | Other | 841 | added 0.8% | 105K | n/a | Jul 17, 26 |
Lefebvre D'Ovidio Manfredi Director | Other | 673 | added 1.4% | 49K | n/a | Jul 17, 26 |
Calabria Carlo Director | Other | 757 | added 0.3% | 232K | n/a | Jul 17, 26 |
Feenan Paul Officer | Sold (automatic/other) | -2K 0.01% of company | sold 8.7% | 19K | $46K at $25.20 | Jul 2, 26 |
Wilder Ben Simon Officer | Sold (automatic/other) | -769 | sold 18% | 4K | $19K at $25.20 | Jul 2, 26 |
Leaver Andrew Officer | Sold (automatic/other) | -10K 0.06% of company | sold 16% | 51K | $249K at $25.20 | Jul 2, 26 |
Ritchie Garth Director | Sold (automatic/other) | -439 | sold 0.4% | 105K | $11K at $25.20 | Jul 2, 26 |
Willcocks Patrick Officer | Sold (automatic/other) | -2K 0.01% of company | sold 18% | 9K | $51K at $25.20 | Jul 2, 26 |
Lefebvre D'Ovidio Manfredi Director | Sold (automatic/other) | -32K 0.2% of company | sold 0.7% | 4.34M | $980K at $30.24 | Jul 1, 26 |
Feenan Paul Officer | Other | 3K 0.02% of company | added 18% | 21K | n/a | Jul 1, 26 |
Wilder Ben Simon Officer | Other | 1K | added 44% | 4K | n/a | Jul 1, 26 |
Leaver Andrew Officer | Other | 16K 0.09% of company | added 34% | 61K | n/a | Jul 1, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
Blend of news sentiment, today’s move, and community votes. Not investment advice.
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.

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Here is the latest on ARQQ from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for ARQQ today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
ARQQ last traded at $19.75, up 1.17% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
The ARQQ Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged ARQQ 84 times in the last 30 days.
ARQQ (Arqit Quantum Inc. Ordinary Shares) trades on XNAS, with a market cap of about $350M in the Services-Prepackaged Software sector.
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge ARQQ for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.
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